From: Vitaly Fertman <Vitaly.Fertman@sun.com>
Date: Mon, 5 Jul 2010 10:56:38 +0000 (+0400)
Subject: b=19298 debug messages
X-Git-Tag: 2.0.0.51~42
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=4349f3eb742fc493830b3d70eac603e80488bb86;ds=sidebyside

b=19298 debug messages

i=rread

some extra debug messages about i_size change
---

diff --git a/lustre/lclient/lcommon_cl.c b/lustre/lclient/lcommon_cl.c
index c172e9d..886ee10 100644
--- a/lustre/lclient/lcommon_cl.c
+++ b/lustre/lclient/lcommon_cl.c
@@ -673,7 +673,8 @@ void ccc_lock_state(const struct lu_env *env,
                         if (lock->cll_descr.cld_start == 0 &&
                             lock->cll_descr.cld_end == CL_PAGE_EOF) {
                                 cl_isize_write_nolock(inode, attr->cat_kms);
-                                CDEBUG(D_INODE, DFID" updating i_size "LPU64"\n",
+                                CDEBUG(D_INODE|D_VFSTRACE,
+                                       DFID" updating i_size "LPU64"\n",
                                        PFID(lu_object_fid(&obj->co_lu)),
                                        (__u64)cl_isize_read(inode));
                         }
@@ -922,6 +923,11 @@ int ccc_prep_size(const struct lu_env *env, struct cl_object *obj,
                                         cl_isize_write_nolock(inode, kms);
                                 else
                                         cl_isize_write(inode, kms);
+                                CDEBUG(D_VFSTRACE,
+                                       DFID" updating i_size "LPU64"\n",
+                                       PFID(lu_object_fid(&obj->co_lu)),
+                                       (__u64)cl_isize_read(inode));
+
                         }
                 }
         }
diff --git a/lustre/llite/file.c b/lustre/llite/file.c
index 693dc35..af88693 100644
--- a/lustre/llite/file.c
+++ b/lustre/llite/file.c
@@ -778,6 +778,9 @@ int ll_merge_lvb(struct inode *inode)
         lvb.lvb_ctime = lli->lli_lvb.lvb_ctime;
         rc = obd_merge_lvb(sbi->ll_dt_exp, lli->lli_smd, &lvb, 0);
         cl_isize_write_nolock(inode, lvb.lvb_size);
+
+        CDEBUG(D_VFSTRACE, DFID" updating i_size "LPU64"\n",
+               PFID(&lli->lli_fid), lvb.lvb_size);
         inode->i_blocks = lvb.lvb_blocks;
 
         LTIME_S(inode->i_mtime) = lvb.lvb_mtime;
diff --git a/lustre/llite/llite_lib.c b/lustre/llite/llite_lib.c
index 4a9bc4b..512d1e2 100644
--- a/lustre/llite/llite_lib.c
+++ b/lustre/llite/llite_lib.c
@@ -1588,6 +1588,9 @@ void ll_update_inode(struct inode *inode, struct lustre_md *md)
                         /* Use old size assignment to avoid
                          * deadlock bz14138 & bz14326 */
                         inode->i_size = body->size;
+
+                        CDEBUG(D_VFSTRACE, "inode=%lu, updating i_size %llu\n",
+                               inode->i_ino, body->size);
                 }
 
                 if (body->valid & OBD_MD_FLBLOCKS)
diff --git a/lustre/llite/vvp_io.c b/lustre/llite/vvp_io.c
index 9e3cdee..4d6e5b3 100644
--- a/lustre/llite/vvp_io.c
+++ b/lustre/llite/vvp_io.c
@@ -984,8 +984,11 @@ static int vvp_io_commit_write(const struct lu_env *env,
 
         ll_inode_size_lock(inode, 0);
         if (result == 0) {
-                if (size > i_size_read(inode))
+                if (size > i_size_read(inode)) {
                         cl_isize_write_nolock(inode, size);
+                        CDEBUG(D_VFSTRACE, DFID" updating i_size "LPU64"\n",
+                               PFID(lu_object_fid(&obj->co_lu)), size);
+                }
                 cl_page_export(env, pg, 1);
         } else {
                 if (size > i_size_read(inode))
diff --git a/lustre/mdt/mdt_handler.c b/lustre/mdt/mdt_handler.c
index 8aaa75b..a28aaed 100644
--- a/lustre/mdt/mdt_handler.c
+++ b/lustre/mdt/mdt_handler.c
@@ -448,6 +448,10 @@ void mdt_pack_attr2body(struct mdt_thread_info *info, struct mdt_body *b,
 
         if (info)
                 mdt_body_reverse_idmap(info, b);
+
+        if (b->valid & OBD_MD_FLSIZE)
+                CDEBUG(D_VFSTRACE, DFID": returning size %llu\n",
+                       PFID(fid), b->size);
 }
 
 static inline int mdt_body_has_lov(const struct lu_attr *la,